Hi all,
I've been testing still image pan and zoom with an eye toward using
Cinelerra to do cartoon animation. I did a run yesterday with two
versions of the same png: one where the png width was the same as the
movie width and one where the png width was wider than the movie width.
The first version gave nice smooth panning and zooming, but the zoom at
the end looked a bit fuzzy (presumably because I was stretching and
pixelating the png). The second version alleviated the pixelation
problem (since I started the sequence zoomed out on the image and the
end zoom brought it back to normal size), but the pan and zoom motions
were very shaky - almost as if I'd done a field to frame effect with the
wrong field going first. Is there some inherent problem with using
zoomed out pngs for pans and zooms?
I'm using 24fps and outputting to quicktime for linux. You can see what
I'm talking about here:
http://www.sketch.mattjordan.com/2007/10/15/cinelerra-pan-and-zoom-trouble/
The YouTube quality sucks and it may even have exacerbated the shake
problem a bit, (perhaps because of frame rate conversions?), but it
still displays the essential shake problem I'm having.
Thanks for any help,
Matt
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